Medicine: Quick VD Cure?

If primary syphilis and gonorrhea could be cured simultaneously in three
days with only one injection (45¢ worth of penicillin), it would be big
medical news indeed. It was reported last week that such good news is
not an impossible hope. Dr. R. C. Arnold of the U.S. Public Health
Services' Venereal Disease Control Research Laboratory announced that
in 85 test cases, a single injection of 300,000 units (one cubic
centimeter) of penicillin made syphilis noninfectious within 72 hours,
and has kept it that way for most patients during the six to eight...